
.middle > div {
    border: 1px solid gray;
}



.content > div:nth-child(1) > div {
    text-indent: 3em;
    line-height: 30px;
    margin-bottom: 30px;
    font-family: 楷体;
}

.content > div:nth-child(2) {
    overflow: hidden;
}

/*------------------动画--------------*/
.content > div:nth-child(2) > div {
    display: flex;
    /*position:relative;*/
    /*animation: move 5s infinite;*/
    animation-name: move;
    animation-duration: 5s;
    /*animation-timing-function: ease-in ;*/
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    text-align: center;
}

@keyframes move {
    from {
        margin-left: 0;
    }
    to {
        margin-left: -700px;
    }
}

.content > div:nth-child(2) > div > div img {
    width: 150px;
    height: 150px;
}

.content > div:nth-child(2) > div > div {
    margin: 10px;
}